# Relationship history for MSHA mine 3402156

Current hierarchy: **Michael  Krebbs → Kody Rock LLC → Rattler Ridge**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Kody Rock LLC → Rattler Ridge; 2016-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Krebbs → Rattler Ridge; 2016-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Krebbs → Kody Rock LLC; 2016-06-06 to current/open; source msha-controller-operator-history